Home / 18,291.90-27,413.23-9,959.43

Finding the Fourth Proportional to 18,291.90, 27,413.23 and 9,959.43

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Solution

The fourth proportional to 18,291.90, 27,413.23 and 9,959.43 is: 14,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.90 : 27,413.23 = 9,959.43 : x
  2. Step 2: Convert to fraction form
    18,291.90/27,413.23 = 9,959.43/x
  3. Step 3: Cross multiply
    18,291.90x = 27,413.23 × 9,959.43
  4. Step 4: Simplify right side
    18,291.90x = 273,020,145.26
  5. Step 5: Solve for x
    x = 273,020,145.26/18,291.90
  6. Step 6: Final answer
    x = 14,925.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.